Nginx ingress controller at kubernetes not allowing installation of some package
I am looking to execute
apt install tcpdumpbut facing permission denial, upon looking to set the directory to root, it is asking me for password and I don't know from where to get that password.
I installed nginx helm chart from stable/nginx repository with no RBAC
Please see snapshot for details on error, while I tried installing tcpdump in the pod after doing ssh into it.
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1 Answer
In Using GDB with Nginx, you can find troubleshooting section:
Shortly:
- find the node where your pod is running (
kubectl get pods -o wide) - ssh into the node
- find the docker_ID for this image (
docker ps | grep pod_name) - run
docker exec -it --user=0 --privileged docker_ID bash
Note: Runtime privilege and Linux capabilities
When the operator executes docker run --privileged, Docker will enable access to all devices on the host as well as set some configuration in AppArmor or SELinux to allow the container nearly all the same access to the host as processes running outside containers on the host. Additional information about running with --privileged is available on the Docker Blog.
Additional resources:
Hope this help.